package com.nf.ch03.test06.one;

/**
 * @author lwj
 * @date 2025-03-04
 * @vesion 1.0.0
 */
public abstract class Phone extends ED{
    // 构造方法
    public Phone() {}
    public Phone(String name) {
        super(name);
    }

    /**
     * 打电话
     */
    public abstract void ringUp();
}
